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Old 02-28-2013, 12:08 PM
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Cilynder heads for my 406 camshaft

Hi! every body. Once again, Excuse me my poor english.

I'm building a 406 and have finally chosen this following cam for my interest:

Lunati 10120410
RPM Range: 2000 - 6000
Lift with 1.5 Rocker: .480"/.480" .512"/.512" with 1.6
Duration @ .050": 230/230
Advertised Duration: 292/292
112/106: 109/107

In a magazine, they use an AFR 180 with 1.6 rockers. Is the AFR 195 could be better? I already have a Brodix HP1 brand new in box and was asking myself if the matched IK200 or IK 180 would be nice too because, there is a difference in flow numbers. What do you think about it?
My 406 will have the same setup with 22 dish.

(Impersonator II)

Chevrolet 406 CI Engine Build - Chevy High Performance

Thanks

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Old 02-28-2013, 12:09 PM
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very very nice heads=good

cheapo hydraulic flat tappet cam=why?

buy a roller cam
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Old 02-28-2013, 12:25 PM
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I'm using a cam similar to the one he is using. It's a Comp Cam 280 HFT on my 406 sbc and 76CC 227AFR Heads. 512 lift with 1.6 roller rockers, 11:1 Power Forge pistons. With 410 gears and 3500 stall converter on a TH350 It takes off like a jack rabbit. Snaps my neck fast right off idle. Nice lope idle, and If not careful with the gas pedal I smoke the tires.

Last edited by lg1969; 02-28-2013 at 12:43 PM.
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Old 02-28-2013, 12:45 PM
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cam choice

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Originally Posted by lg1969 View Post
I'm using a cam similar to the one he is using. It's a Comp Cam 280 HFT on my 406 sbc and 76CC 227AFR Heads. 512 lift with 1.6 roller rockers, 11:1 Power Forge pistons. With 410 gears and 3500 stall converter on a TH350 It takes off like a jack rabbit. Snaps my neck fast right off idle. Nice lope idle, and If not careful with the gas pedal I smoke the tires.
anytime an engine is under cammed it will perform very well at low rpm.how much power did you leave on the table with AFR heads and a flat tappet cam?
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Old 02-28-2013, 12:48 PM
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All the way up too 6500 RPM.
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Old 02-28-2013, 12:58 PM
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You wil make a lot more power by using a better cam. And use the 195cc AFR's or the 200cc port IK-200's on your 406.
They are both great choices and just right for your 406.

A solid or solid roller will make a ton more power. A hyd like the Comp XE284H-10 will make a lot more power than the little 230deg cam.

For a solid flat tappet I'd use a Isky 201534 Or a Crane F-244/3454-2S-6
www.iskycams.com
www.cranecams.com

For a solid street roller Id look at the Comp cams Xr286R-10 12-772-8
www.compcams.com

The Lunati Solid VooDoo solid street roller (of equal .050" duration) is another good choice for your 406.
www.lunaticams.com

all of these are more powerfull than the cam used in the Impersonator 406 article.
Its a baby cam.

Last edited by F-BIRD'88; 02-28-2013 at 01:08 PM.
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Old 02-28-2013, 01:10 PM
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As far as I'm concern, I'm happy with the set up.
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Old 02-28-2013, 02:09 PM
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small cam

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As far as I'm concern, I'm happy with the set up.
for most people,smaller is better.If you have what you want,its the correct cam,,,,"for you"
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Old 02-28-2013, 07:14 PM
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Quote:
Originally Posted by vinniekq2 View Post
very very nice heads=good

cheapo hydraulic flat tappet cam=why?

buy a roller cam
I've been also interested by the comp cam Magnum 280HR (12-430-8)
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Old 02-28-2013, 07:19 PM
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Quote:
Originally Posted by lg1969 View Post
I'm using a cam similar to the one he is using. It's a Comp Cam 280 HFT on my 406 sbc and 76CC 227AFR Heads. 512 lift with 1.6 roller rockers, 11:1 Power Forge pistons. With 410 gears and 3500 stall converter on a TH350 It takes off like a jack rabbit. Snaps my neck fast right off idle. Nice lope idle, and If not careful with the gas pedal I smoke the tires.
I know. They have exactly the same specs. you seem really satisfied. Good for me to know that.
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Old 02-28-2013, 07:26 PM
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Quote:
Originally Posted by F-BIRD'88 View Post
You wil make a lot more power by using a better cam. And use the 195cc AFR's or the 200cc port IK-200's on your 406.
They are both great choices and just right for your 406.

A solid or solid roller will make a ton more power. A hyd like the Comp XE284H-10 will make a lot more power than the little 230deg cam.

For a solid flat tappet I'd use a Isky 201534 Or a Crane F-244/3454-2S-6
ISKY Racing Cams - Do It Right. Race with the Legend. Camshafts, Connecting Rods, Valve Springs, Lifters
Crane Cams | Automotive Home Page

For a solid street roller Id look at the Comp cams Xr286R-10 12-772-8
COMP Cams - Performance Camshafts, Lifters, Valve Springs, Rocker Arms

The Lunati Solid VooDoo solid street roller (of equal .050" duration) is another good choice for your 406.
Lunati Cams, Cranks, Pistons, and Rods - Lunati Power

all of these are more powerfull than the cam used in the Impersonator 406 article.
Its a baby cam.
Very interesting. you help me a lot with your knowledge. So, i think to go with the Brodix IK 200 and take an interesting look on your suggestions.
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Old 02-28-2013, 07:28 PM
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you will be further ahead with a roller cam,for sure
enjoy the build
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